Open-hearth furnace



Nov. 20, 1923. v

- ..o. F. PENNYPACKER OPEN HEARTH FURNACE Filed April 18. 1921 Pennjcker INVENTOR.

AT RNEY Patented Nov. 20, 1923.

ORBIE r. rnn vYrAqKEn, or YOUNGSTOWN, OHIO lassrenonor one-11am T0QHARLESA. naarraaiv, or YoUivesrown, OHIO.

,ornn nnanrrr FURNACE.

Application filed April 18, 1921. Serial 1N0. 462,175.

To all whom/ft may concern:

Be it known that 01mm F. PnNNYPAoKnR, citizen of the United States ofAmerica,

residing at Youngstown, in the county of 'Mahoning and State of Ohio,has invented certain new and useful Improvements in Open-HearthFurnaces, of which the following is a specification.

This invention relates to open hearth furnaces, whichare adaptedtoconserve the heat, and add to the temperature of furnaces, andparticularly those which operate at high heats.

The arrangement and construction of this furnace is related to the typeknown as single surface generators, in which the heat of the outgoinggases is applied toand' absorbed by the checkers, walls, etc., and givenback to the incoming gases from the same surfaces of the checkers,walls, etc. which receive the heat.

The principal object of this invention is to provide a furnace with awater-cooled manifold positioned underneath a water cooled port, orother ports constructed as known to the art. This water-cooled manifoldis provided with a plurality of air distributors positioned so that thesame lead into the sides of said port, and directing the incoming air ina general direction to wards the inner opening ofsaid port, and at thesame time each of the several openings directing the incoming air invarying angles in relation to the 'general direction of the port.

Another object of the invention is to provide a second watery-cooledmanifold positioned longitudinally underneath the above describedmanifold, and forming a portion of the outer gas uptake wall, Theseveral openings of this manifold directing the incoming air in ageneral inward and upward direction, but each outlet of the samedirecting said air at varying angles.

A still further object of the invention is to carry compressed or fannedair through a channel by means of a straight or tortuous path within theouter gas uptake wall. This is done in order to utilize the heat in thesaid wall to preheat the air, and at the same time to relieve said wallof extreme temperatures which are detrimental to the Ion" usage of suchwalls when of solid or ordinary construction.

'The furnace is otherwise constructed along ordinary lines common to fthe art, that is, the furnace is also provided with an air regenera-toror checker chambers leading intake above the port.

In order to simplify the description of my invention, I will describe"and illustrate ing furnaces, but it is, ofcourse, equally applicable toheating furnaces of any and all characters for the purpose of conservingthe heat and particularly in introducing forced air into the port, andgiving the same an inward and whirling rnotionythereby efi'ectivelymixing pre-hea'te d' forced air with producer gas or othercombustibles.

With these and other objects in view the it in connection with openhearthsteel' meltinvention consists in the novel arrangement andconstruction of parts which willbe hereinafter more fully described andpointed out in the claims.

end of the furnace.

Figure 2 is a detail view.

Figure 3isa detail view.

Figure 4 isIa detail-sectional View. 7

By referring to' Figure' l it will be seen that I have provided anordinary bath bot tom 1 which is constructed along the lines w'ellknownto the art. Upon the gas uptake wall 2 and the division wall 3 rests awater-cooled manifold 4 provided with a plurality of air intake members5 so arranged as to direct forcedair into the sides of a port, givingthe air an inward and whirling motion. Each of these air intake members5 giving the forced incoming air a difi'erent inward direction;

By referring to Figure 2 it will be seen that I have providedtwowater-cooled manifolds 4 which support partially the port 6. Directlyunderneath the water-cooled manifolds 4 I have provided a. secondwatercooled manifold 7 forming a portion of the gas uptake wall 2.Centrally located in. this water-cooled manifold 7 I have pro vided aplurality of forced air inlets 8so arranged as to direct the incomingair into the gas uptake 9 in an upward and inward direction. Each of theseveral forced air inlets 8 positioned so as to directthe incoming airin a different general direction.

By referring to Figure f it will be seen that the water-cooled manifolds4- are provided with a water inlet 10 and outlet 11, and with an airinlet 12 leading to the air intake members 5, which in turn lead theforced air into the port 6.

In tracing the movement of the forced incoming air .the same i vintroduced into the straight or tortuous channel 13 within the gasuptake wall 2. The said air passing through valves 14L and 15. The valve14 controlling the passage of the air into the manifolds 4. The valve 15controlling the passage of the air into the second manifold 7.

By referring to- Figures 1 and 2 it will be seen that I have providedoverflow pipes 16 which may be of ordinary construction.-

In water-cooling the secondary manifold 7 any desired openings may bere'sorted'to so that the water-cooling system as described in referenceto the water-cooled manifold 4, may be utilized.

If desired, the air may be forced into the furnace by way of both thevalves 14 and 15, or through either one of the same. It is understoodthat the furnace in its general construction conforms to the ordinaryfurnace known to the art, and that the outer surface 17 of the divisionwall 3 forms one wall of an air uptake of ordinary construction,

water as deing in combination with an arched port provided with aplurality of side inlets for directing air in different'directionswithin said port, a furnace provided with anair uptake introducing airin the above said port, two manifolds directly underneath the side wallsof a port, a plurality of inlets opening into said port, said inletsdirecting air in an inward and varying direction, a secondary manifold,air inlets positioned in the same, said inlets directing the air in an 1inward and upward direction, but each inlet varying the direction asrelated to the other inlets, a channel within the. uptake wall of a gasuptake, two valve controlling the air leading from said channel, meansfor circulating water through said manifolds, sub

stan'tially as described for the purpose set forth.

3. In a device of the class described, the combination of an arched portprovided with a plurality of side inlets for directing air in differentdirections within said port, two manifolds positioned under said port,air inlets within said manifolds leading into said port with a secondarymanifold provided with a plurality of air inlets leading to a gas uptakechannel, means for water cooling said manifold, substantially asdescribed for the purpose set forth.

In testimony whereof I aflix my signature.

ORRIE F, PENNYPACKER;

Witnesses:

M. H. BURKE, A. E. BURKE.

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